So I want to do about 16 million grep counts on a 1.4 Gigabyte file. I'm simply counting how many times a Z or Z pops up relative to another variable. It will take me 10 years to do this with nested greps. And 545 years to do this via the perl script you recommended. This shouldn't take this long. It should go pretty quickly.

In reply to Re^2: Nested greps w/ Perl by wackattack
in thread Nested greps w/ Perl by wackattack

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